2 files changed, 2 insertions, 2 deletions

diff --git a/ip/ip.pl b/ip/ip.pl
index 259ecf9..03c6350 100644
--- a/ip/ip.pl
+++ b/ip/ip.pl
@@ -5,8 +5,6 @@
 :- use_module(library(charsio)).
 :- use_module(library(serialization/abnf)).
 
-big(A, B, C) :- C #= A^B.
-
 make_ip4(A, B, C, D, Addr) :-
   A #>= 0, A #=< 255,
   B #>= 0, B #=< 255,
diff --git a/ip/test.pl b/ip/test.pl
index f96ca63..11a2c37 100644
--- a/ip/test.pl
+++ b/ip/test.pl
@@ -1,3 +1,5 @@
+% vim: syntax=prolog
+
 :- module(test, [
     test_main/0,
     test_main/1]).